Team age: 27.6 (25th) Offense age: 27.7 (24th) Defense age: 27.6 (tied 22nd) What stands out is that the AFC East was pretty old. Of the dozen categories listed above, only two rated in the youngest third of the league. The Dolphins' offense tied with the Philadelphia Eagles for the greenest, a good sign for the future.

The Patriots had the oldest team by nearly half a year and the oldest offense by nearly a full year.

Their offense should remain the oldest in 2010. It essentially returns intact. Tight end Benjamin Watson is gone and slot receiver Wes Welker might not be ready to return from his knee injury when the season opens, but the Patriots added tight end Alge Crumpler and receiver Torry Holt, who will be 33 and 34, respectively, before the season is over.